mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-26 00:08:10 +00:00
core/embed: don't use local copy of inflate
This commit is contained in:
Pavol Rusnak
parent
e7a81560f1
commit
500156b9ba
@ -31,6 +31,9 @@ SOURCE_MOD += [
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]
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# modtrezorui
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CPPPATH_MOD += [
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'vendor/micropython/extmod/uzlib',
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]
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SOURCE_MOD += [
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'embed/extmod/modtrezorui/display.c',
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'embed/extmod/modtrezorui/font_bitmap.c',
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@ -33,17 +33,22 @@ SOURCE_MOD += [
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]
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# modtrezorui
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CPPPATH_MOD += [
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'vendor/micropython/extmod/uzlib',
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]
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CPPDEFINES_MOD += [
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'TREZOR_FONT_NORMAL_ENABLE',
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'TREZOR_FONT_MONO_ENABLE',
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]
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SOURCE_MOD += [
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'embed/extmod/modtrezorui/display.c',
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'embed/extmod/modtrezorui/inflate.c',
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'embed/extmod/modtrezorui/font_bitmap.c',
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'embed/extmod/modtrezorui/font_roboto_regular_20.c',
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'embed/extmod/modtrezorui/font_robotomono_regular_20.c',
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'embed/extmod/modtrezorui/qr-code-generator/qrcodegen.c',
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'vendor/micropython/extmod/uzlib/adler32.c',
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'vendor/micropython/extmod/uzlib/crc32.c',
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'vendor/micropython/extmod/uzlib/tinflate.c',
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]
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SOURCE_STMHAL = [
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@ -136,6 +136,9 @@ SOURCE_MOD += [
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]
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# modtrezorui
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CPPPATH_MOD += [
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'vendor/micropython/extmod/uzlib',
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]
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CPPDEFINES_MOD += [
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'TREZOR_FONT_BOLD_ENABLE',
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'TREZOR_FONT_NORMAL_ENABLE',
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@ -149,9 +152,11 @@ SOURCE_MOD += [
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'embed/extmod/modtrezorui/font_roboto_regular_20.c',
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'embed/extmod/modtrezorui/font_robotomono_bold_20.c',
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'embed/extmod/modtrezorui/font_robotomono_regular_20.c',
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'embed/extmod/modtrezorui/inflate.c',
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'embed/extmod/modtrezorui/modtrezorui.c',
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'embed/extmod/modtrezorui/qr-code-generator/qrcodegen.c',
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'vendor/micropython/extmod/uzlib/adler32.c',
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'vendor/micropython/extmod/uzlib/crc32.c',
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'vendor/micropython/extmod/uzlib/tinflate.c',
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]
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# modtrezorutils
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@ -19,15 +19,20 @@ SOURCE_MOD += [
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]
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# modtrezorui
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CPPPATH_MOD += [
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'vendor/micropython/extmod/uzlib',
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]
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CPPDEFINES_MOD += [
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'TREZOR_FONT_BOLD_ENABLE',
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]
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SOURCE_MOD += [
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'embed/extmod/modtrezorui/display.c',
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'embed/extmod/modtrezorui/inflate.c',
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'embed/extmod/modtrezorui/font_bitmap.c',
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'embed/extmod/modtrezorui/font_roboto_bold_20.c',
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'embed/extmod/modtrezorui/qr-code-generator/qrcodegen.c',
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'vendor/micropython/extmod/uzlib/adler32.c',
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'vendor/micropython/extmod/uzlib/crc32.c',
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'vendor/micropython/extmod/uzlib/tinflate.c',
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]
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SOURCE_STMHAL = [
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@ -16,15 +16,20 @@ SOURCE_MOD += [
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]
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# modtrezorui
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CPPPATH_MOD += [
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'vendor/micropython/extmod/uzlib',
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]
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CPPDEFINES_MOD += [
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'TREZOR_FONT_BOLD_ENABLE',
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]
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SOURCE_MOD += [
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'embed/extmod/modtrezorui/display.c',
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'embed/extmod/modtrezorui/inflate.c',
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'embed/extmod/modtrezorui/font_bitmap.c',
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'embed/extmod/modtrezorui/font_roboto_bold_20.c',
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'embed/extmod/modtrezorui/qr-code-generator/qrcodegen.c',
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'vendor/micropython/extmod/uzlib/adler32.c',
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'vendor/micropython/extmod/uzlib/crc32.c',
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'vendor/micropython/extmod/uzlib/tinflate.c',
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]
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SOURCE_STMHAL = [
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@ -131,6 +131,9 @@ SOURCE_MOD += [
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]
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# modtrezorui
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CPPPATH_MOD += [
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'vendor/micropython/extmod/uzlib',
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]
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CPPDEFINES_MOD += [
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'TREZOR_FONT_BOLD_ENABLE',
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'TREZOR_FONT_NORMAL_ENABLE',
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@ -144,9 +147,11 @@ SOURCE_MOD += [
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'embed/extmod/modtrezorui/font_roboto_regular_20.c',
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'embed/extmod/modtrezorui/font_robotomono_bold_20.c',
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'embed/extmod/modtrezorui/font_robotomono_regular_20.c',
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'embed/extmod/modtrezorui/inflate.c',
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'embed/extmod/modtrezorui/modtrezorui.c',
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'embed/extmod/modtrezorui/qr-code-generator/qrcodegen.c',
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'vendor/micropython/extmod/uzlib/adler32.c',
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'vendor/micropython/extmod/uzlib/crc32.c',
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'vendor/micropython/extmod/uzlib/tinflate.c',
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]
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if FROZEN:
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CPPDEFINES_MOD += ['TREZOR_EMULATOR_FROZEN']
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@ -20,7 +20,6 @@
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#define _GNU_SOURCE
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#include "font_bitmap.h"
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#include "inflate.h"
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#ifdef TREZOR_FONT_NORMAL_ENABLE
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#include "font_roboto_regular_20.h"
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#endif
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@ -36,6 +35,8 @@
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#include "qr-code-generator/qrcodegen.h"
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#include "uzlib.h"
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#include "common.h"
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#include "display.h"
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@ -91,19 +92,18 @@ static inline void clamp_coords(int x, int y, int w, int h, int *x0, int *y0,
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void display_clear(void) {
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const int saved_orientation = DISPLAY_ORIENTATION;
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display_orientation(
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0); // set MADCTL first so that we can set the window correctly next
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display_set_window(
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0, 0, MAX_DISPLAY_RESX - 1,
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MAX_DISPLAY_RESY - 1); // address the complete frame memory
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// set MADCTL first so that we can set the window correctly next
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display_orientation(0);
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// address the complete frame memory
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display_set_window(0, 0, MAX_DISPLAY_RESX - 1, MAX_DISPLAY_RESY - 1);
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for (uint32_t i = 0; i < MAX_DISPLAY_RESX * MAX_DISPLAY_RESY; i++) {
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PIXELDATA(
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0x0000); // 2 bytes per pixel because we're using RGB 5-6-5 format
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// 2 bytes per pixel because we're using RGB 5-6-5 format
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PIXELDATA(0x0000);
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}
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display_set_window(0, 0, DISPLAY_RESX - 1,
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DISPLAY_RESY - 1); // go back to restricted window
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display_orientation(
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saved_orientation); // if valid, go back to the saved orientation
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// go back to restricted window
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display_set_window(0, 0, DISPLAY_RESX - 1, DISPLAY_RESY - 1);
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// if valid, go back to the saved orientation
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display_orientation(saved_orientation);
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}
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void display_bar(int x, int y, int w, int h, uint16_t c) {
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@ -174,70 +174,94 @@ void display_bar_radius(int x, int y, int w, int h, uint16_t c, uint16_t b,
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}
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}
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#if TREZOR_MODEL == T
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#define UZLIB_WINDOW_SIZE (1 << 10)
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static void inflate_callback_image(uint8_t byte1, uint32_t pos,
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void *userdata) {
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static uint8_t byte0;
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if (pos % 2 == 0) {
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byte0 = byte1;
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return;
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}
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const int w = ((const int *)userdata)[0];
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const int x0 = ((const int *)userdata)[1];
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const int x1 = ((const int *)userdata)[2];
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const int y0 = ((const int *)userdata)[3];
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const int y1 = ((const int *)userdata)[4];
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const int px = (pos / 2) % w;
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const int py = (pos / 2) / w;
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if (px >= x0 && px <= x1 && py >= y0 && py <= y1) {
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PIXELDATA((byte0 << 8) | byte1);
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static void uzlib_prepare(struct uzlib_uncomp *decomp, uint8_t *window,
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const void *src, uint32_t srcsize, void *dest,
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uint32_t destsize) {
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memzero(decomp, sizeof(struct uzlib_uncomp));
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if (window) {
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memzero(window, UZLIB_WINDOW_SIZE);
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}
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memzero(dest, destsize);
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decomp->source = (const uint8_t *)src;
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decomp->source_limit = decomp->source + srcsize;
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decomp->dest = (uint8_t *)dest;
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decomp->dest_limit = decomp->dest + destsize;
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uzlib_uncompress_init(decomp, window, window ? UZLIB_WINDOW_SIZE : 0);
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}
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#endif
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void display_image(int x, int y, int w, int h, const void *data, int datalen) {
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void display_image(int x, int y, int w, int h, const void *data,
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uint32_t datalen) {
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#if TREZOR_MODEL == T
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x += DISPLAY_OFFSET.x;
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y += DISPLAY_OFFSET.y;
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int x0, y0, x1, y1;
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clamp_coords(x, y, w, h, &x0, &y0, &x1, &y1);
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display_set_window(x0, y0, x1, y1);
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int userdata[5] = {w, x0 - x, x1 - x, y0 - y, y1 - y};
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sinf_inflate(data, datalen, inflate_callback_image, userdata);
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x0 -= x;
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x1 -= x;
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y0 -= y;
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y1 -= y;
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struct uzlib_uncomp decomp;
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uint8_t decomp_window[UZLIB_WINDOW_SIZE];
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uint8_t decomp_out[2];
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uzlib_prepare(&decomp, decomp_window, data, datalen, decomp_out,
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sizeof(decomp_out));
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for (uint32_t pos = 0; pos < w * h; pos++) {
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int st = uzlib_uncompress(&decomp);
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if (st == TINF_DONE) break; // all OK
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if (st < 0) break; // error
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const int px = pos % w;
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const int py = pos / w;
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if (px >= x0 && px <= x1 && py >= y0 && py <= y1) {
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PIXELDATA((decomp_out[0] << 8) | decomp_out[1]);
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}
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decomp.dest = (uint8_t *)&decomp_out;
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}
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#endif
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}
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#if TREZOR_MODEL == T
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static void inflate_callback_avatar(uint8_t byte1, uint32_t pos,
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void *userdata) {
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#define AVATAR_BORDER_SIZE 4
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#define AVATAR_BORDER_LOW \
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(AVATAR_IMAGE_SIZE / 2 - AVATAR_BORDER_SIZE) * \
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(AVATAR_IMAGE_SIZE / 2 - AVATAR_BORDER_SIZE)
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#define AVATAR_BORDER_HIGH (AVATAR_IMAGE_SIZE / 2) * (AVATAR_IMAGE_SIZE / 2)
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#define AVATAR_ANTIALIAS 1
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static uint8_t byte0;
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if (pos % 2 == 0) {
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byte0 = byte1;
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return;
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}
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const int w = ((const int *)userdata)[0];
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const int x0 = ((const int *)userdata)[1];
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const int x1 = ((const int *)userdata)[2];
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const int y0 = ((const int *)userdata)[3];
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const int y1 = ((const int *)userdata)[4];
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const int fgcolor = ((const int *)userdata)[5];
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const int bgcolor = ((const int *)userdata)[6];
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const int px = (pos / 2) % w;
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const int py = (pos / 2) / w;
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void display_avatar(int x, int y, const void *data, uint32_t datalen,
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uint16_t fgcolor, uint16_t bgcolor) {
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#if TREZOR_MODEL == T
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x += DISPLAY_OFFSET.x;
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y += DISPLAY_OFFSET.y;
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int x0, y0, x1, y1;
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clamp_coords(x, y, AVATAR_IMAGE_SIZE, AVATAR_IMAGE_SIZE, &x0, &y0, &x1, &y1);
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display_set_window(x0, y0, x1, y1);
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x0 -= x;
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x1 -= x;
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y0 -= y;
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y1 -= y;
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struct uzlib_uncomp decomp;
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uint8_t decomp_window[UZLIB_WINDOW_SIZE];
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uint8_t decomp_out[2];
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uzlib_prepare(&decomp, decomp_window, data, datalen, decomp_out,
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sizeof(decomp_out));
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for (uint32_t pos = 0; pos < AVATAR_IMAGE_SIZE * AVATAR_IMAGE_SIZE; pos++) {
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int st = uzlib_uncompress(&decomp);
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if (st == TINF_DONE) break; // all OK
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if (st < 0) break; // error
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const int px = pos % AVATAR_IMAGE_SIZE;
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const int py = pos / AVATAR_IMAGE_SIZE;
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if (px >= x0 && px <= x1 && py >= y0 && py <= y1) {
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int d = (px - w / 2) * (px - w / 2) + (py - w / 2) * (py - w / 2);
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int d = (px - AVATAR_IMAGE_SIZE / 2) * (px - AVATAR_IMAGE_SIZE / 2) +
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(py - AVATAR_IMAGE_SIZE / 2) * (py - AVATAR_IMAGE_SIZE / 2);
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// inside border area
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if (d < AVATAR_BORDER_LOW) {
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PIXELDATA((byte0 << 8) | byte1);
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PIXELDATA((decomp_out[0] << 8) | decomp_out[1]);
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} else
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// outside border area
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if (d > AVATAR_BORDER_HIGH) {
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@ -251,7 +275,8 @@ static void inflate_callback_avatar(uint8_t byte1, uint32_t pos,
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if (d >= 16) {
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c = interpolate_color(bgcolor, fgcolor, d - 16);
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} else {
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c = interpolate_color(fgcolor, (byte0 << 8) | byte1, d);
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c = interpolate_color(fgcolor, (decomp_out[0] << 8) | decomp_out[1],
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d);
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}
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PIXELDATA(c);
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#else
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@ -259,63 +284,49 @@ static void inflate_callback_avatar(uint8_t byte1, uint32_t pos,
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#endif
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}
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}
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}
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#endif
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void display_avatar(int x, int y, const void *data, int datalen,
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uint16_t fgcolor, uint16_t bgcolor) {
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#if TREZOR_MODEL == T
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x += DISPLAY_OFFSET.x;
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y += DISPLAY_OFFSET.y;
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int x0, y0, x1, y1;
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clamp_coords(x, y, AVATAR_IMAGE_SIZE, AVATAR_IMAGE_SIZE, &x0, &y0, &x1, &y1);
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display_set_window(x0, y0, x1, y1);
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int userdata[7] = {AVATAR_IMAGE_SIZE, x0 - x, x1 - x, y0 - y, y1 - y,
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fgcolor, bgcolor};
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sinf_inflate(data, datalen, inflate_callback_avatar, userdata);
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#endif
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}
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static void inflate_callback_icon(uint8_t byte, uint32_t pos, void *userdata) {
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const uint16_t *colortable = (const uint16_t *)(((const int *)userdata) + 5);
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const int w = ((const int *)userdata)[0];
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const int x0 = ((const int *)userdata)[1];
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const int x1 = ((const int *)userdata)[2];
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const int y0 = ((const int *)userdata)[3];
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const int y1 = ((const int *)userdata)[4];
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const int px = (pos * 2) % w;
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const int py = (pos * 2) / w;
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if (px >= x0 && px <= x1 && py >= y0 && py <= y1) {
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PIXELDATA(colortable[byte >> 4]);
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PIXELDATA(colortable[byte & 0x0F]);
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decomp.dest = (uint8_t *)&decomp_out;
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}
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#endif
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}
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void display_icon(int x, int y, int w, int h, const void *data, int datalen,
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uint16_t fgcolor, uint16_t bgcolor) {
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void display_icon(int x, int y, int w, int h, const void *data,
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uint32_t datalen, uint16_t fgcolor, uint16_t bgcolor) {
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x += DISPLAY_OFFSET.x;
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y += DISPLAY_OFFSET.y;
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x &= ~1; // cannot draw at odd coordinate
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int x0, y0, x1, y1;
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clamp_coords(x, y, w, h, &x0, &y0, &x1, &y1);
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display_set_window(x0, y0, x1, y1);
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int userdata[5 + 16 * sizeof(uint16_t) / sizeof(int)] = {w, x0 - x, x1 - x,
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y0 - y, y1 - y};
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set_color_table((uint16_t *)(userdata + 5), fgcolor, bgcolor);
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sinf_inflate(data, datalen, inflate_callback_icon, userdata);
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x0 -= x;
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x1 -= x;
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y0 -= y;
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y1 -= y;
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uint16_t colortable[16];
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set_color_table(colortable, fgcolor, bgcolor);
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struct uzlib_uncomp decomp;
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uint8_t decomp_window[UZLIB_WINDOW_SIZE];
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uint8_t decomp_out;
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uzlib_prepare(&decomp, decomp_window, data, datalen, &decomp_out,
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sizeof(decomp_out));
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for (uint32_t pos = 0; pos < w * h / 2; pos++) {
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int st = uzlib_uncompress(&decomp);
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if (st == TINF_DONE) break; // all OK
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if (st < 0) break; // error
|
||||
const int px = pos % w;
|
||||
const int py = pos / w;
|
||||
if (px >= x0 && px <= x1 && py >= y0 && py <= y1) {
|
||||
PIXELDATA(colortable[decomp_out >> 4]);
|
||||
PIXELDATA(colortable[decomp_out & 0x0F]);
|
||||
}
|
||||
decomp.dest = (uint8_t *)&decomp_out;
|
||||
}
|
||||
}
|
||||
|
||||
#if TREZOR_MODEL == T
|
||||
|
||||
#include "loader.h"
|
||||
|
||||
static void inflate_callback_loader(uint8_t byte, uint32_t pos,
|
||||
void *userdata) {
|
||||
uint8_t *out = (uint8_t *)userdata;
|
||||
out[pos] = byte;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
void display_loader(uint16_t progress, bool indeterminate, int yoffset,
|
||||
@ -340,7 +351,11 @@ void display_loader(uint16_t progress, bool indeterminate, int yoffset,
|
||||
LOADER_ICON_SIZE == *(uint16_t *)(icon + 6) &&
|
||||
iconlen == 12 + *(uint32_t *)(icon + 8)) {
|
||||
uint8_t icondata[LOADER_ICON_SIZE * LOADER_ICON_SIZE / 2];
|
||||
sinf_inflate(icon + 12, iconlen - 12, inflate_callback_loader, icondata);
|
||||
memzero(&icondata, sizeof(icondata));
|
||||
struct uzlib_uncomp decomp;
|
||||
uzlib_prepare(&decomp, NULL, icon + 12, iconlen - 12, icondata,
|
||||
sizeof(icondata));
|
||||
uzlib_uncompress(&decomp);
|
||||
icon = icondata;
|
||||
} else {
|
||||
icon = NULL;
|
||||
@ -679,7 +694,7 @@ int display_text_width(const char *text, int textlen, int font) {
|
||||
|
||||
#define QR_MAX_VERSION 9
|
||||
|
||||
void display_qrcode(int x, int y, const char *data, int datalen,
|
||||
void display_qrcode(int x, int y, const char *data, uint32_t datalen,
|
||||
uint8_t scale) {
|
||||
if (scale < 1 || scale > 10) return;
|
||||
|
||||
|
||||
@ -79,11 +79,12 @@ void display_bar(int x, int y, int w, int h, uint16_t c);
|
||||
void display_bar_radius(int x, int y, int w, int h, uint16_t c, uint16_t b,
|
||||
uint8_t r);
|
||||
|
||||
void display_image(int x, int y, int w, int h, const void *data, int datalen);
|
||||
void display_avatar(int x, int y, const void *data, int datalen,
|
||||
uint16_t fgcolor, uint16_t bgcolor);
|
||||
void display_icon(int x, int y, int w, int h, const void *data, int datalen,
|
||||
void display_image(int x, int y, int w, int h, const void *data,
|
||||
uint32_t datalen);
|
||||
void display_avatar(int x, int y, const void *data, uint32_t datalen,
|
||||
uint16_t fgcolor, uint16_t bgcolor);
|
||||
void display_icon(int x, int y, int w, int h, const void *data,
|
||||
uint32_t datalen, uint16_t fgcolor, uint16_t bgcolor);
|
||||
void display_loader(uint16_t progress, bool indeterminate, int yoffset,
|
||||
uint16_t fgcolor, uint16_t bgcolor, const uint8_t *icon,
|
||||
uint32_t iconlen, uint16_t iconfgcolor);
|
||||
@ -103,7 +104,8 @@ void display_text_right(int x, int y, const char *text, int textlen, int font,
|
||||
uint16_t fgcolor, uint16_t bgcolor);
|
||||
int display_text_width(const char *text, int textlen, int font);
|
||||
|
||||
void display_qrcode(int x, int y, const char *data, int datalen, uint8_t scale);
|
||||
void display_qrcode(int x, int y, const char *data, uint32_t datalen,
|
||||
uint8_t scale);
|
||||
|
||||
void display_offset(int set_xy[2], int *get_x, int *get_y);
|
||||
int display_orientation(int degrees);
|
||||
|
||||
@ -1,468 +0,0 @@
|
||||
/*
|
||||
* This file is part of the Trezor project, https://trezor.io/
|
||||
*
|
||||
* Copyright (c) SatoshiLabs
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
// clang-format off
|
||||
|
||||
/*
|
||||
* stream_inflate - tiny inflate library with output streaming
|
||||
*
|
||||
* Copyright (c) 2003 by Joergen Ibsen / Jibz
|
||||
* All Rights Reserved
|
||||
* http://www.ibsensoftware.com/
|
||||
*
|
||||
* Copyright (c) 2014 by Paul Sokolovsky
|
||||
*
|
||||
* Copyright (c) 2016 by Pavol Rusnak
|
||||
*
|
||||
* This software is provided 'as-is', without any express
|
||||
* or implied warranty. In no event will the authors be
|
||||
* held liable for any damages arising from the use of
|
||||
* this software.
|
||||
*
|
||||
* Permission is granted to anyone to use this software
|
||||
* for any purpose, including commercial applications,
|
||||
* and to alter it and redistribute it freely, subject to
|
||||
* the following restrictions:
|
||||
*
|
||||
* 1. The origin of this software must not be
|
||||
* misrepresented; you must not claim that you
|
||||
* wrote the original software. If you use this
|
||||
* software in a product, an acknowledgment in
|
||||
* the product documentation would be appreciated
|
||||
* but is not required.
|
||||
*
|
||||
* 2. Altered source versions must be plainly marked
|
||||
* as such, and must not be misrepresented as
|
||||
* being the original software.
|
||||
*
|
||||
* 3. This notice may not be removed or altered from
|
||||
* any source distribution.
|
||||
*/
|
||||
|
||||
#include "inflate.h"
|
||||
|
||||
// maximum possible window size (in bits) used during compression/deflate
|
||||
#define SINF_WBITS 10
|
||||
|
||||
#define SINF_OK 0
|
||||
#define SINF_ERROR (-3)
|
||||
|
||||
typedef struct {
|
||||
uint16_t table[16]; /* table of code length counts */
|
||||
uint16_t trans[288]; /* code -> symbol translation table */
|
||||
} SINF_TREE;
|
||||
|
||||
typedef struct {
|
||||
const uint8_t *source;
|
||||
uint32_t sourcelen;
|
||||
uint32_t tag;
|
||||
uint32_t bitcount;
|
||||
uint8_t cbuf[1 << SINF_WBITS];
|
||||
int cbufi;
|
||||
SINF_TREE ltree; /* dynamic length/symbol tree */
|
||||
SINF_TREE dtree; /* dynamic distance tree */
|
||||
void (* write)(uint8_t byte, uint32_t pos, void *userdata);
|
||||
void *userdata;
|
||||
uint32_t written;
|
||||
} SINF_CTX;
|
||||
|
||||
/* --------------------------------------------------- *
|
||||
* -- uninitialized global data (static structures) -- *
|
||||
* --------------------------------------------------- */
|
||||
|
||||
static const uint8_t SINF_LENGTH_BITS[30] = {
|
||||
0, 0, 0, 0, 0, 0, 0, 0,
|
||||
1, 1, 1, 1, 2, 2, 2, 2,
|
||||
3, 3, 3, 3, 4, 4, 4, 4,
|
||||
5, 5, 5, 5
|
||||
};
|
||||
static const uint16_t SINF_LENGTH_BASE[30] = {
|
||||
3, 4, 5, 6, 7, 8, 9, 10,
|
||||
11, 13, 15, 17, 19, 23, 27, 31,
|
||||
35, 43, 51, 59, 67, 83, 99, 115,
|
||||
131, 163, 195, 227, 258
|
||||
};
|
||||
|
||||
static const uint8_t SINF_DIST_BITS[30] = {
|
||||
0, 0, 0, 0, 1, 1, 2, 2,
|
||||
3, 3, 4, 4, 5, 5, 6, 6,
|
||||
7, 7, 8, 8, 9, 9, 10, 10,
|
||||
11, 11, 12, 12, 13, 13
|
||||
};
|
||||
static const uint16_t SINF_DIST_BASE[30] = {
|
||||
1, 2, 3, 4, 5, 7, 9, 13,
|
||||
17, 25, 33, 49, 65, 97, 129, 193,
|
||||
257, 385, 513, 769, 1025, 1537, 2049, 3073,
|
||||
4097, 6145, 8193, 12289, 16385, 24577
|
||||
};
|
||||
|
||||
/* special ordering of code length codes */
|
||||
static const uint8_t SINF_CLCIDX[] = {
|
||||
16, 17, 18, 0, 8, 7, 9, 6,
|
||||
10, 5, 11, 4, 12, 3, 13, 2,
|
||||
14, 1, 15
|
||||
};
|
||||
|
||||
/* ----------------------- *
|
||||
* -- utility functions -- *
|
||||
* ----------------------- */
|
||||
|
||||
static void sinf_write(SINF_CTX *ctx, uint8_t byte)
|
||||
{
|
||||
ctx->cbuf[ctx->cbufi] = byte;
|
||||
ctx->cbufi = (ctx->cbufi + 1) % (1 << SINF_WBITS);
|
||||
ctx->write(byte, ctx->written, ctx->userdata);
|
||||
ctx->written++;
|
||||
}
|
||||
|
||||
/* build the fixed huffman trees */
|
||||
static void sinf_build_fixed_trees(SINF_TREE *lt, SINF_TREE *dt)
|
||||
{
|
||||
int i;
|
||||
|
||||
/* build fixed length tree */
|
||||
for (i = 0; i < 7; ++i) lt->table[i] = 0;
|
||||
|
||||
lt->table[7] = 24;
|
||||
lt->table[8] = 152;
|
||||
lt->table[9] = 112;
|
||||
|
||||
for (i = 0; i < 24; ++i) lt->trans[i] = 256 + i;
|
||||
for (i = 0; i < 144; ++i) lt->trans[24 + i] = i;
|
||||
for (i = 0; i < 8; ++i) lt->trans[24 + 144 + i] = 280 + i;
|
||||
for (i = 0; i < 112; ++i) lt->trans[24 + 144 + 8 + i] = 144 + i;
|
||||
|
||||
/* build fixed distance tree */
|
||||
for (i = 0; i < 5; ++i) dt->table[i] = 0;
|
||||
|
||||
dt->table[5] = 32;
|
||||
|
||||
for (i = 0; i < 32; ++i) dt->trans[i] = i;
|
||||
}
|
||||
|
||||
/* given an array of code lengths, build a tree */
|
||||
static void sinf_build_tree(SINF_TREE *t, const uint8_t *lengths, uint32_t num)
|
||||
{
|
||||
uint16_t offs[16];
|
||||
uint32_t i, sum;
|
||||
|
||||
/* clear code length count table */
|
||||
for (i = 0; i < 16; ++i) t->table[i] = 0;
|
||||
|
||||
/* scan symbol lengths, and sum code length counts */
|
||||
for (i = 0; i < num; ++i) t->table[lengths[i]]++;
|
||||
|
||||
t->table[0] = 0;
|
||||
|
||||
/* compute offset table for distribution sort */
|
||||
for (sum = 0, i = 0; i < 16; ++i)
|
||||
{
|
||||
offs[i] = sum;
|
||||
sum += t->table[i];
|
||||
}
|
||||
|
||||
/* create code->symbol translation table (symbols sorted by code) */
|
||||
for (i = 0; i < num; ++i)
|
||||
{
|
||||
if (lengths[i]) t->trans[offs[lengths[i]]++] = i;
|
||||
}
|
||||
}
|
||||
|
||||
/* ---------------------- *
|
||||
* -- decode functions -- *
|
||||
* ---------------------- */
|
||||
|
||||
/* get one bit from source stream */
|
||||
static int sinf_getbit(SINF_CTX *ctx)
|
||||
{
|
||||
uint32_t bit;
|
||||
|
||||
/* check if tag is empty */
|
||||
if (!ctx->bitcount--)
|
||||
{
|
||||
/* load next tag */
|
||||
ctx->tag = *ctx->source++;
|
||||
ctx->bitcount = 7;
|
||||
}
|
||||
|
||||
/* shift bit out of tag */
|
||||
bit = ctx->tag & 0x01;
|
||||
ctx->tag >>= 1;
|
||||
|
||||
return bit;
|
||||
}
|
||||
|
||||
/* read a num bit value from a stream and add base */
|
||||
static uint32_t sinf_read_bits(SINF_CTX *ctx, int num, int base)
|
||||
{
|
||||
uint32_t val = 0;
|
||||
|
||||
/* read num bits */
|
||||
if (num)
|
||||
{
|
||||
uint32_t limit = 1 << (num);
|
||||
uint32_t mask;
|
||||
|
||||
for (mask = 1; mask < limit; mask *= 2)
|
||||
if (sinf_getbit(ctx)) val += mask;
|
||||
}
|
||||
|
||||
return val + base;
|
||||
}
|
||||
|
||||
/* given a data stream and a tree, decode a symbol */
|
||||
static int sinf_decode_symbol(SINF_CTX *ctx, SINF_TREE *t)
|
||||
{
|
||||
int sum = 0, cur = 0, len = 0;
|
||||
|
||||
/* get more bits while code value is above sum */
|
||||
do {
|
||||
|
||||
cur = 2*cur + sinf_getbit(ctx);
|
||||
|
||||
++len;
|
||||
|
||||
sum += t->table[len];
|
||||
cur -= t->table[len];
|
||||
|
||||
} while (cur >= 0);
|
||||
|
||||
return t->trans[sum + cur];
|
||||
}
|
||||
|
||||
/* given a data stream, decode dynamic trees from it */
|
||||
static void sinf_decode_trees(SINF_CTX *ctx, SINF_TREE *lt, SINF_TREE *dt)
|
||||
{
|
||||
uint8_t lengths[288+32];
|
||||
uint32_t hlit, hdist, hclen;
|
||||
uint32_t i, num, length;
|
||||
|
||||
/* get 5 bits HLIT (257-286) */
|
||||
hlit = sinf_read_bits(ctx, 5, 257);
|
||||
|
||||
/* get 5 bits HDIST (1-32) */
|
||||
hdist = sinf_read_bits(ctx, 5, 1);
|
||||
|
||||
/* get 4 bits HCLEN (4-19) */
|
||||
hclen = sinf_read_bits(ctx, 4, 4);
|
||||
|
||||
for (i = 0; i < 19; ++i) lengths[i] = 0;
|
||||
|
||||
/* read code lengths for code length alphabet */
|
||||
for (i = 0; i < hclen; ++i)
|
||||
{
|
||||
/* get 3 bits code length (0-7) */
|
||||
uint32_t clen = sinf_read_bits(ctx, 3, 0);
|
||||
|
||||
lengths[SINF_CLCIDX[i]] = clen;
|
||||
}
|
||||
|
||||
/* build code length tree, temporarily use length tree */
|
||||
sinf_build_tree(lt, lengths, 19);
|
||||
|
||||
/* decode code lengths for the dynamic trees */
|
||||
for (num = 0; num < hlit + hdist; )
|
||||
{
|
||||
int sym = sinf_decode_symbol(ctx, lt);
|
||||
|
||||
switch (sym)
|
||||
{
|
||||
case 16:
|
||||
/* copy previous code length 3-6 times (read 2 bits) */
|
||||
{
|
||||
uint8_t prev = lengths[num - 1];
|
||||
for (length = sinf_read_bits(ctx, 2, 3); length; --length)
|
||||
{
|
||||
lengths[num++] = prev;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case 17:
|
||||
/* repeat code length 0 for 3-10 times (read 3 bits) */
|
||||
for (length = sinf_read_bits(ctx, 3, 3); length; --length)
|
||||
{
|
||||
lengths[num++] = 0;
|
||||
}
|
||||
break;
|
||||
case 18:
|
||||
/* repeat code length 0 for 11-138 times (read 7 bits) */
|
||||
for (length = sinf_read_bits(ctx, 7, 11); length; --length)
|
||||
{
|
||||
lengths[num++] = 0;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
/* values 0-15 represent the actual code lengths */
|
||||
lengths[num++] = sym;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* build dynamic trees */
|
||||
sinf_build_tree(lt, lengths, hlit);
|
||||
sinf_build_tree(dt, lengths + hlit, hdist);
|
||||
}
|
||||
|
||||
/* ----------------------------- *
|
||||
* -- block inflate functions -- *
|
||||
* ----------------------------- */
|
||||
|
||||
/* given a stream and two trees, inflate a block of data */
|
||||
static int sinf_inflate_block_data(SINF_CTX *ctx, SINF_TREE *lt, SINF_TREE *dt)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
int sym = sinf_decode_symbol(ctx, lt);
|
||||
|
||||
/* check for end of block */
|
||||
if (sym == 256)
|
||||
{
|
||||
return SINF_OK;
|
||||
}
|
||||
|
||||
if (sym < 256)
|
||||
{
|
||||
sinf_write(ctx, sym);
|
||||
} else {
|
||||
|
||||
uint32_t length, offs, i;
|
||||
int dist;
|
||||
|
||||
sym -= 257;
|
||||
|
||||
/* possibly get more bits from length code */
|
||||
length = sinf_read_bits(ctx, SINF_LENGTH_BITS[sym], SINF_LENGTH_BASE[sym]);
|
||||
|
||||
dist = sinf_decode_symbol(ctx, dt);
|
||||
|
||||
/* possibly get more bits from distance code */
|
||||
offs = sinf_read_bits(ctx, SINF_DIST_BITS[dist], SINF_DIST_BASE[dist]);
|
||||
|
||||
/* copy match */
|
||||
for (i = 0; i < length; ++i)
|
||||
{
|
||||
sinf_write(ctx, ctx->cbuf[(ctx->cbufi + (1 << SINF_WBITS) - offs) % (1 << SINF_WBITS)]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* inflate an uncompressed block of data */
|
||||
static int sinf_inflate_uncompressed_block(SINF_CTX *ctx)
|
||||
{
|
||||
uint32_t length, invlength;
|
||||
uint32_t i;
|
||||
|
||||
/* get length */
|
||||
length = ctx->source[1];
|
||||
length = 256*length + ctx->source[0];
|
||||
|
||||
/* get one's complement of length */
|
||||
invlength = ctx->source[3];
|
||||
invlength = 256*invlength + ctx->source[2];
|
||||
|
||||
/* check length */
|
||||
if (length != (~invlength & 0x0000ffff)) return SINF_ERROR;
|
||||
|
||||
ctx->source += 4;
|
||||
|
||||
/* copy block */
|
||||
for (i = length; i; --i) sinf_write(ctx, *ctx->source++);
|
||||
|
||||
/* make sure we start next block on a byte boundary */
|
||||
ctx->bitcount = 0;
|
||||
|
||||
return SINF_OK;
|
||||
}
|
||||
|
||||
/* inflate a block of data compressed with fixed huffman trees */
|
||||
static int sinf_inflate_fixed_block(SINF_CTX *ctx)
|
||||
{
|
||||
/* build fixed huffman trees */
|
||||
sinf_build_fixed_trees(&ctx->ltree, &ctx->dtree);
|
||||
|
||||
/* decode block using fixed trees */
|
||||
return sinf_inflate_block_data(ctx, &ctx->ltree, &ctx->dtree);
|
||||
}
|
||||
|
||||
/* inflate a block of data compressed with dynamic huffman trees */
|
||||
static int sinf_inflate_dynamic_block(SINF_CTX *ctx)
|
||||
{
|
||||
/* decode trees from stream */
|
||||
sinf_decode_trees(ctx, &ctx->ltree, &ctx->dtree);
|
||||
|
||||
/* decode block using decoded trees */
|
||||
return sinf_inflate_block_data(ctx, &ctx->ltree, &ctx->dtree);
|
||||
}
|
||||
|
||||
/* ---------------------- *
|
||||
* -- public functions -- *
|
||||
* ---------------------- */
|
||||
|
||||
/* inflate stream from source */
|
||||
int sinf_inflate(const uint8_t *data, uint32_t datalen, void (*write_callback)(uint8_t byte, uint32_t pos, void *userdata), void *userdata)
|
||||
{
|
||||
SINF_CTX ctx;
|
||||
int bfinal;
|
||||
|
||||
/* initialise data */
|
||||
ctx.bitcount = 0;
|
||||
ctx.cbufi = 0;
|
||||
ctx.source = data;
|
||||
ctx.sourcelen = datalen;
|
||||
ctx.write = write_callback;
|
||||
ctx.userdata = userdata;
|
||||
ctx.written = 0;
|
||||
|
||||
do {
|
||||
|
||||
uint32_t btype;
|
||||
int res;
|
||||
|
||||
/* read final block flag */
|
||||
bfinal = sinf_getbit(&ctx);
|
||||
|
||||
/* read block type (2 bits) */
|
||||
btype = sinf_read_bits(&ctx, 2, 0);
|
||||
|
||||
/* decompress block */
|
||||
switch (btype)
|
||||
{
|
||||
case 0:
|
||||
/* decompress uncompressed block */
|
||||
res = sinf_inflate_uncompressed_block(&ctx);
|
||||
break;
|
||||
case 1:
|
||||
/* decompress block with fixed huffman trees */
|
||||
res = sinf_inflate_fixed_block(&ctx);
|
||||
break;
|
||||
case 2:
|
||||
/* decompress block with dynamic huffman trees */
|
||||
res = sinf_inflate_dynamic_block(&ctx);
|
||||
break;
|
||||
default:
|
||||
return SINF_ERROR;
|
||||
}
|
||||
|
||||
if (res != SINF_OK) return SINF_ERROR;
|
||||
|
||||
} while (!bfinal);
|
||||
|
||||
return SINF_OK;
|
||||
}
|
||||
@ -1,30 +0,0 @@
|
||||
/*
|
||||
* This file is part of the Trezor project, https://trezor.io/
|
||||
*
|
||||
* Copyright (c) SatoshiLabs
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#ifndef __INFLATE_H__
|
||||
#define __INFLATE_H__
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
int sinf_inflate(const uint8_t *data, uint32_t datalen,
|
||||
void (*write_callback)(uint8_t byte, uint32_t pos,
|
||||
void *userdata),
|
||||
void *userdata);
|
||||
|
||||
#endif
|
||||
@ -17,8 +17,6 @@
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include "inflate.h"
|
||||
|
||||
#include "display.h"
|
||||
|
||||
/// class Display:
|
||||
@ -139,7 +137,7 @@ STATIC mp_obj_t mod_trezorui_Display_image(size_t n_args,
|
||||
}
|
||||
mp_int_t w = *(uint16_t *)(data + 4);
|
||||
mp_int_t h = *(uint16_t *)(data + 6);
|
||||
mp_int_t datalen = *(uint32_t *)(data + 8);
|
||||
uint32_t datalen = *(uint32_t *)(data + 8);
|
||||
if (datalen != image.len - 12) {
|
||||
mp_raise_ValueError("Invalid size of data");
|
||||
}
|
||||
@ -173,7 +171,7 @@ STATIC mp_obj_t mod_trezorui_Display_avatar(size_t n_args,
|
||||
if (w != AVATAR_IMAGE_SIZE || h != AVATAR_IMAGE_SIZE) {
|
||||
mp_raise_ValueError("Invalid image size");
|
||||
}
|
||||
mp_int_t datalen = *(uint32_t *)(data + 8);
|
||||
uint32_t datalen = *(uint32_t *)(data + 8);
|
||||
if (datalen != image.len - 12) {
|
||||
mp_raise_ValueError("Invalid size of data");
|
||||
}
|
||||
@ -204,7 +202,7 @@ STATIC mp_obj_t mod_trezorui_Display_icon(size_t n_args, const mp_obj_t *args) {
|
||||
}
|
||||
mp_int_t w = *(uint16_t *)(data + 4);
|
||||
mp_int_t h = *(uint16_t *)(data + 6);
|
||||
mp_int_t datalen = *(uint32_t *)(data + 8);
|
||||
uint32_t datalen = *(uint32_t *)(data + 8);
|
||||
if (datalen != icon.len - 12) {
|
||||
mp_raise_ValueError("Invalid size of data");
|
||||
}
|
||||
@ -250,7 +248,7 @@ STATIC mp_obj_t mod_trezorui_Display_loader(size_t n_args,
|
||||
}
|
||||
mp_int_t w = *(uint16_t *)(data + 4);
|
||||
mp_int_t h = *(uint16_t *)(data + 6);
|
||||
mp_int_t datalen = *(uint32_t *)(data + 8);
|
||||
uint32_t datalen = *(uint32_t *)(data + 8);
|
||||
if (w != LOADER_ICON_SIZE || h != LOADER_ICON_SIZE) {
|
||||
mp_raise_ValueError("Invalid icon size");
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user