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Added BMP file support.

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- Now can load splash.bmp!
This commit is contained in:
dqs105 2020-08-28 12:23:52 +08:00
parent 7116ca3f91
commit 80f074b82f
3 changed files with 114 additions and 5 deletions
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5
firmware/application/ui_navigation.cpp
View file

@ -634,8 +634,9 @@ BMPView::BMPView(NavigationView& nav) {
}
void BMPView::paint(Painter&) {
if(!portapack::display.drawRAW({ 0, 0 }, "splash.bin"))
portapack::display.drawBMP({(240 - 230) / 2, (320 - 50) / 2 - 10}, splash_bmp, false);
if(!portapack::display.drawBMP2({ 0, 0 }, "splash.bmp"))
if(!portapack::display.drawRAW({ 0, 0 }, "splash.bin"))
portapack::display.drawBMP({(240 - 230) / 2, (320 - 50) / 2 - 10}, splash_bmp, false);
}
/* NotImplementedView ****************************************************/

113
firmware/common/lcd_ili9341.cpp
View file

@ -462,8 +462,8 @@ bool ILI9341::drawRAW(const ui::Point p, const std::string file) {
type = buffer[0]; // 0: RGB565, 1: RGB, 2: RGBA(Alpha ignored). Default to RGBA.
height = (uint16_t)buffer[1] + ((uint16_t)buffer[2] << 8);
width = (uint16_t)buffer[3] + ((uint16_t)buffer[4] << 8);
height = (uint16_t)buffer[1] | ((uint16_t)buffer[2] << 8);
width = (uint16_t)buffer[3] | ((uint16_t)buffer[4] << 8);
py += 16;
@ -482,7 +482,7 @@ bool ILI9341::drawRAW(const ui::Point p, const std::string file) {
while(pointer < 256) {
switch(type) {
case 0:
line_buffer[px] = ui::Color((uint16_t)buffer[pointer] + ((uint16_t)buffer[pointer + 1] << 8));
line_buffer[px] = ui::Color((uint16_t)buffer[pointer] | ((uint16_t)buffer[pointer + 1] << 8));
pointer += 2;
file_pos += 2;
break;
@ -516,6 +516,113 @@ bool ILI9341::drawRAW(const ui::Point p, const std::string file) {
return true;
}
/*
Draw BMP from SD card.
Currently supported formats:
16bpp ARGB, RGB565
24bpp RGB
32bpp ARGB
*/
bool ILI9341::drawBMP2(const ui::Point p, const std::string file) {
File bmpimage;
size_t file_pos = 0;
uint16_t pointer = 0;
int16_t px = 0, py, width, height;
bmp_header_t bmp_header;
uint8_t type = 0;
char buffer[257];
ui::Color line_buffer[240];
auto result = bmpimage.open(file);
if(result.is_valid())
return false;
bmpimage.seek(file_pos);
auto read_size = bmpimage.read(&bmp_header, sizeof(bmp_header));
if (!((bmp_header.signature == 0x4D42) && // "BM" Signature
(bmp_header.planes == 1) && // Seems always to be 1
(bmp_header.compression == 0 || bmp_header.compression == 3 ))) { // No compression
return false;
}
switch(bmp_header.bpp) {
case 16:
file_pos = 0x36;
memset(buffer, 0, 16);
bmpimage.read(buffer, 16);
if(buffer[1] == 0x7C)
type = 3; // A1R5G5B5
else
type = 0; // R5G6B5
break;
case 24:
type = 1;
break;
case 32:
default:
type = 2;
break;
}
width = bmp_header.width;
height = bmp_header.height;
file_pos = bmp_header.image_data;
py = height + 16;
while(1) {
while(px < width) {
bmpimage.seek(file_pos);
memset(buffer, 0, 257);
read_size = bmpimage.read(buffer, 256);
if (read_size.is_error())
return false; // Read error
pointer = 0;
while(pointer < 256) {
if(pointer + 4 > 256)
break;
switch(type) {
case 0:
case 3:
if(!type)
line_buffer[px] = ui::Color((uint16_t)buffer[pointer] | ((uint16_t)buffer[pointer + 1] << 8));
else
line_buffer[px] = ui::Color(((uint16_t)buffer[pointer] & 0x1F) | ((uint16_t)buffer[pointer] & 0xE0) << 1 | ((uint16_t)buffer[pointer + 1] & 0x7F) << 9);
pointer += 2;
file_pos += 2;
break;
case 1:
default:
line_buffer[px] = ui::Color(buffer[pointer + 2], buffer[pointer + 1], buffer[pointer]);
pointer += 3;
file_pos += 3;
break;
case 2:
line_buffer[px] = ui::Color(buffer[pointer + 2], buffer[pointer + 1], buffer[pointer]);
pointer += 4;
file_pos += 4;
break;
}
px++;
if(px >= width) {
break;
}
}
if(read_size.value() != 256)
break;
}
render_line({ p.x(), p.y() + py }, px, line_buffer);
px = 0;
py--;
if(read_size.value() < 256 || py < 0)
break;
}
return true;
}
void ILI9341::draw_line(const ui::Point start, const ui::Point end, const ui::Color color) {
int x0 = start.x();
int y0 = start.y();

1
firmware/common/lcd_ili9341.hpp
View file

@ -61,6 +61,7 @@ public:
void draw_pixel(const ui::Point p, const ui::Color color);
void drawBMP(const ui::Point p, const uint8_t * bitmap, const bool transparency);
bool drawRAW(const ui::Point p, const std::string file);
bool drawBMP2(const ui::Point p, const std::string file);
void render_line(const ui::Point p, const uint8_t count, const ui::Color* line_buffer);
void render_box(const ui::Point p, const ui::Size s, const ui::Color* line_buffer);