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Add RGB565 and RGB888 color support to Quantum Painter (#19382)

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David Hoelscher 2023-01-14 04:24:54 -06:00 • committed by GitHub
parent 5873fbe569
commit 45851a10f6
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GPG key ID: 4AEE18F83AFDEB23
21 changed files with 226 additions and 43 deletions
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44
quantum/painter/qp_draw_codec.c
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@ -12,18 +12,19 @@ static const qp_pixel_t qp_pixel_white = {.hsv888 = {.h = 0, .s = 0, .v = 255}};
static const qp_pixel_t qp_pixel_black = {.hsv888 = {.h = 0, .s = 0, .v = 0}};
bool qp_internal_bpp_capable(uint8_t bits_per_pixel) {
#if !(QUANTUM_PAINTER_SUPPORTS_256_PALETTE)
#if !(QUANTUM_PAINTER_SUPPORTS_NATIVE_COLORS)
# if !(QUANTUM_PAINTER_SUPPORTS_256_PALETTE)
if (bits_per_pixel > 4) {
qp_dprintf("qp_internal_decode_palette: image bpp greater than 4\n");
return false;
}
#endif
# endif
if (bits_per_pixel > 8) {
qp_dprintf("qp_internal_decode_palette: image bpp greater than 8\n");
return false;
}
#endif
return true;
}
@ -32,7 +33,7 @@ bool qp_internal_decode_palette(painter_device_t device, uint32_t pixel_count, u
const uint8_t pixels_per_byte = 8 / bits_per_pixel;
uint32_t remaining_pixels = pixel_count; // don't try to derive from byte_count, we may not use an entire byte
while (remaining_pixels > 0) {
uint8_t byteval = input_callback(input_arg);
int16_t byteval = input_callback(input_arg);
if (byteval < 0) {
return false;
}
@ -64,6 +65,21 @@ bool qp_internal_decode_recolor(painter_device_t device, uint32_t pixel_count, u
return qp_internal_decode_palette(device, pixel_count, bits_per_pixel, input_callback, input_arg, qp_internal_global_pixel_lookup_table, output_callback, output_arg);
}
bool qp_internal_send_bytes(painter_device_t device, uint32_t byte_count, qp_internal_byte_input_callback input_callback, void* input_arg, qp_internal_byte_output_callback output_callback, void* output_arg) {
uint32_t remaining_bytes = byte_count;
while (remaining_bytes > 0) {
int16_t byteval = input_callback(input_arg);
if (byteval < 0) {
return false;
}
if (!output_callback(byteval, output_arg)) {
return false;
}
remaining_bytes -= 1;
}
return true;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Progressive pull of bytes, push of pixels
@ -128,6 +144,26 @@ bool qp_internal_pixel_appender(qp_pixel_t* palette, uint8_t index, void* cb_arg
return true;
}
bool qp_internal_byte_appender(uint8_t byteval, void* cb_arg) {
struct qp_internal_byte_output_state* state = (struct qp_internal_byte_output_state*)cb_arg;
struct painter_driver_t* driver = (struct painter_driver_t*)state->device;
if (!driver->driver_vtable->append_pixdata(state->device, qp_internal_global_pixdata_buffer, state->byte_write_pos++, byteval)) {
return false;
}
// If we've hit the transmit limit, send out the entire buffer and reset the write position
if (state->byte_write_pos == state->max_bytes) {
struct painter_driver_t* driver = (struct painter_driver_t*)state->device;
if (!driver->driver_vtable->pixdata(state->device, qp_internal_global_pixdata_buffer, state->byte_write_pos * 8 / driver->native_bits_per_pixel)) {
return false;
}
state->byte_write_pos = 0;
}
return true;
}
qp_internal_byte_input_callback qp_internal_prepare_input_state(struct qp_internal_byte_input_state* input_state, painter_compression_t compression) {
switch (compression) {
case IMAGE_UNCOMPRESSED: