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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
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59
docs/quantum_painter.md
View file

@ -32,15 +32,16 @@ Supported devices:
## Quantum Painter Configuration :id=quantum-painter-config
| Option | Default | Purpose |
|-----------------------------------------|---------|---------------------------------------------------------------------------------------------------------------------------------------------|
| `QUANTUM_PAINTER_NUM_IMAGES` | `8` | The maximum number of images/animations that can be loaded at any one time. |
| `QUANTUM_PAINTER_NUM_FONTS` | `4` | The maximum number of fonts that can be loaded at any one time. |
| `QUANTUM_PAINTER_CONCURRENT_ANIMATIONS` | `4` | The maximum number of animations that can be executed at the same time. |
| `QUANTUM_PAINTER_LOAD_FONTS_TO_RAM` | `FALSE` | Whether or not fonts should be loaded to RAM. Relevant for fonts stored in off-chip persistent storage, such as external flash. |
| `QUANTUM_PAINTER_PIXDATA_BUFFER_SIZE` | `32` | The limit of the amount of pixel data that can be transmitted in one transaction to the display. Higher values require more RAM on the MCU. |
| `QUANTUM_PAINTER_SUPPORTS_256_PALETTE` | `FALSE` | If 256-color palettes are supported. Requires significantly more RAM on the MCU. |
| `QUANTUM_PAINTER_DEBUG` | _unset_ | Prints out significant amounts of debugging information to CONSOLE output. Significant performance degradation, use only for debugging. |
| Option | Default | Purpose |
|------------------------------------------|---------|---------------------------------------------------------------------------------------------------------------------------------------------|
| `QUANTUM_PAINTER_NUM_IMAGES` | `8` | The maximum number of images/animations that can be loaded at any one time. |
| `QUANTUM_PAINTER_NUM_FONTS` | `4` | The maximum number of fonts that can be loaded at any one time. |
| `QUANTUM_PAINTER_CONCURRENT_ANIMATIONS` | `4` | The maximum number of animations that can be executed at the same time. |
| `QUANTUM_PAINTER_LOAD_FONTS_TO_RAM` | `FALSE` | Whether or not fonts should be loaded to RAM. Relevant for fonts stored in off-chip persistent storage, such as external flash. |
| `QUANTUM_PAINTER_PIXDATA_BUFFER_SIZE` | `32` | The limit of the amount of pixel data that can be transmitted in one transaction to the display. Higher values require more RAM on the MCU. |
| `QUANTUM_PAINTER_SUPPORTS_256_PALETTE` | `FALSE` | If 256-color palettes are supported. Requires significantly more RAM on the MCU. |
| `QUANTUM_PAINTER_SUPPORTS_NATIVE_COLORS` | `FALSE` | If native color range is supported. Requires significantly more RAM on the MCU. |
| `QUANTUM_PAINTER_DEBUG` | _unset_ | Prints out significant amounts of debugging information to CONSOLE output. Significant performance degradation, use only for debugging. |
Drivers have their own set of configurable options, and are described in their respective sections.
@ -63,7 +64,7 @@ options:
-d, --no-deltas Disables the use of delta frames when encoding animations.
-r, --no-rle Disables the use of RLE when encoding images.
-f FORMAT, --format FORMAT
Output format, valid types: pal256, pal16, pal4, pal2, mono256, mono16, mono4, mono2
Output format, valid types: rgb888, rgb565, pal256, pal16, pal4, pal2, mono256, mono16, mono4, mono2
-o OUTPUT, --output OUTPUT
Specify output directory. Defaults to same directory as input.
-i INPUT, --input INPUT
@ -77,16 +78,18 @@ The `OUTPUT` argument needs to be a directory, and will default to the same dire
The `FORMAT` argument can be any of the following:
| Format | Meaning |
|-----------|-----------------------------------------------------------------------|
| `pal256` | 256-color palette (requires `QUANTUM_PAINTER_SUPPORTS_256_PALETTE`) |
| `pal16` | 16-color palette |
| `pal4` | 4-color palette |
| `pal2` | 2-color palette |
| `mono256` | 256-shade grayscale (requires `QUANTUM_PAINTER_SUPPORTS_256_PALETTE`) |
| `mono16` | 16-shade grayscale |
| `mono4` | 4-shade grayscale |
| `mono2` | 2-shade grayscale |
| Format | Meaning |
|-----------|-------------------------------------------------------------------------------------------|
| `rgb888` | 16,777,216 colors in 8-8-8 RGB format (requires `QUANTUM_PAINTER_SUPPORTS_NATIVE_COLORS`) |
| `rgb565` | 65,536 colors in 5-6-5 RGB format (requires `QUANTUM_PAINTER_SUPPORTS_NATIVE_COLORS`) |
| `pal256` | 256-color palette (requires `QUANTUM_PAINTER_SUPPORTS_256_PALETTE`) |
| `pal16` | 16-color palette |
| `pal4` | 4-color palette |
| `pal2` | 2-color palette |
| `mono256` | 256-shade grayscale (requires `QUANTUM_PAINTER_SUPPORTS_256_PALETTE`) |
| `mono16` | 16-shade grayscale |
| `mono4` | 4-shade grayscale |
| `mono2` | 2-shade grayscale |
**Examples**:
@ -154,7 +157,7 @@ options:
-w, --raw Writes out the QFF file as raw data instead of c/h combo.
-r, --no-rle Disable the use of RLE to minimise converted image size.
-f FORMAT, --format FORMAT
Output format, valid types: pal256, pal16, pal4, pal2, mono256, mono16, mono4, mono2
Output format, valid types: rgb565, pal256, pal16, pal4, pal2, mono256, mono16, mono4, mono2
-u UNICODE_GLYPHS, --unicode-glyphs UNICODE_GLYPHS
Also generate the specified unicode glyphs.
-n, --no-ascii Disables output of the full ASCII character set (0x20..0x7E), exporting only the glyphs specified.
@ -215,6 +218,8 @@ The maximum number of displays can be configured by changing the following in yo
#define GC9A01_NUM_DEVICES 3
```
Native color format rgb565 is compatible with GC9A01
#### ** ILI9163 **
Enabling support for the ILI9163 in Quantum Painter is done by adding the following to `rules.mk`:
@ -239,6 +244,8 @@ The maximum number of displays can be configured by changing the following in yo
#define ILI9163_NUM_DEVICES 3
```
Native color format rgb565 is compatible with ILI9163
#### ** ILI9341 **
Enabling support for the ILI9341 in Quantum Painter is done by adding the following to `rules.mk`:
@ -263,6 +270,8 @@ The maximum number of displays can be configured by changing the following in yo
#define ILI9341_NUM_DEVICES 3
```
Native color format rgb565 is compatible with ILI9341
#### ** ILI9488 **
Enabling support for the ILI9488 in Quantum Painter is done by adding the following to `rules.mk`:
@ -287,6 +296,8 @@ The maximum number of displays can be configured by changing the following in yo
#define ILI9488_NUM_DEVICES 3
```
Native color format rgb888 is compatible with ILI9488
#### ** SSD1351 **
Enabling support for the SSD1351 in Quantum Painter is done by adding the following to `rules.mk`:
@ -311,6 +322,8 @@ The maximum number of displays can be configured by changing the following in yo
#define SSD1351_NUM_DEVICES 3
```
Native color format rgb565 is compatible with SSD1351
#### ** ST7735 **
Enabling support for the ST7735 in Quantum Painter is done by adding the following to `rules.mk`:
@ -335,6 +348,8 @@ The maximum number of displays can be configured by changing the following in yo
#define ST7735_NUM_DEVICES 3
```
Native color format rgb565 is compatible with ST7735
!> Some ST7735 devices are known to have different drawing offsets -- despite being a 132x162 pixel display controller internally, some display panels are only 80x160, or smaller. These may require an offset to be applied; see `qp_set_viewport_offsets` above for information on how to override the offsets if they aren't correctly rendered.
#### ** ST7789 **
@ -361,6 +376,8 @@ The maximum number of displays can be configured by changing the following in yo
#define ST7789_NUM_DEVICES 3
```
Native color format rgb565 is compatible with ST7789
!> Some ST7789 devices are known to have different drawing offsets -- despite being a 240x320 pixel display controller internally, some display panels are only 240x240, or smaller. These may require an offset to be applied; see `qp_set_viewport_offsets` above for information on how to override the offsets if they aren't correctly rendered.
<!-- tabs:end -->

1
drivers/painter/gc9a01/qp_gc9a01.c
View file

@ -104,6 +104,7 @@ const struct tft_panel_dc_reset_painter_driver_vtable_t gc9a01_driver_vtable = {
.viewport = qp_tft_panel_viewport,
.palette_convert = qp_tft_panel_palette_convert_rgb565_swapped,
.append_pixels = qp_tft_panel_append_pixels_rgb565,
.append_pixdata = qp_tft_panel_append_pixdata,
},
.num_window_bytes = 2,
.swap_window_coords = false,

7
drivers/painter/generic/qp_rgb565_surface.c
View file

@ -164,6 +164,12 @@ static bool qp_rgb565_surface_append_pixels_rgb565(painter_device_t device, uint
return true;
}
// Append data to the target location
static bool qp_rgb565_surface_append_pixdata(painter_device_t device, uint8_t *target_buffer, uint32_t pixdata_offset, uint8_t pixdata_byte) {
target_buffer[pixdata_offset] = pixdata_byte;
return true;
}
const struct painter_driver_vtable_t rgb565_surface_driver_vtable = {
.init = qp_rgb565_surface_init,
.power = qp_rgb565_surface_power,
@ -173,6 +179,7 @@ const struct painter_driver_vtable_t rgb565_surface_driver_vtable = {
.viewport = qp_rgb565_surface_viewport,
.palette_convert = qp_rgb565_surface_palette_convert_rgb565_swapped,
.append_pixels = qp_rgb565_surface_append_pixels_rgb565,
.append_pixdata = qp_rgb565_surface_append_pixdata,
};
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

1
drivers/painter/ili9xxx/qp_ili9163.c
View file

@ -69,6 +69,7 @@ const struct tft_panel_dc_reset_painter_driver_vtable_t ili9163_driver_vtable =
.viewport = qp_tft_panel_viewport,
.palette_convert = qp_tft_panel_palette_convert_rgb565_swapped,
.append_pixels = qp_tft_panel_append_pixels_rgb565,
.append_pixdata = qp_tft_panel_append_pixdata,
},
.num_window_bytes = 2,
.swap_window_coords = false,

1
drivers/painter/ili9xxx/qp_ili9341.c
View file

@ -76,6 +76,7 @@ const struct tft_panel_dc_reset_painter_driver_vtable_t ili9341_driver_vtable =
.viewport = qp_tft_panel_viewport,
.palette_convert = qp_tft_panel_palette_convert_rgb565_swapped,
.append_pixels = qp_tft_panel_append_pixels_rgb565,
.append_pixdata = qp_tft_panel_append_pixdata,
},
.num_window_bytes = 2,
.swap_window_coords = false,

1
drivers/painter/ili9xxx/qp_ili9488.c
View file

@ -69,6 +69,7 @@ const struct tft_panel_dc_reset_painter_driver_vtable_t ili9488_driver_vtable =
.viewport = qp_tft_panel_viewport,
.palette_convert = qp_tft_panel_palette_convert_rgb888,
.append_pixels = qp_tft_panel_append_pixels_rgb888,
.append_pixdata = qp_tft_panel_append_pixdata,
},
.num_window_bytes = 2,
.swap_window_coords = false,

1
drivers/painter/ssd1351/qp_ssd1351.c
View file

@ -73,6 +73,7 @@ const struct tft_panel_dc_reset_painter_driver_vtable_t ssd1351_driver_vtable =
.viewport = qp_tft_panel_viewport,
.palette_convert = qp_tft_panel_palette_convert_rgb565_swapped,
.append_pixels = qp_tft_panel_append_pixels_rgb565,
.append_pixdata = qp_tft_panel_append_pixdata,
},
.num_window_bytes = 1,
.swap_window_coords = true,

1
drivers/painter/st77xx/qp_st7735.c
View file

@ -93,6 +93,7 @@ const struct tft_panel_dc_reset_painter_driver_vtable_t st7735_driver_vtable = {
.viewport = qp_tft_panel_viewport,
.palette_convert = qp_tft_panel_palette_convert_rgb565_swapped,
.append_pixels = qp_tft_panel_append_pixels_rgb565,
.append_pixdata = qp_tft_panel_append_pixdata,
},
.num_window_bytes = 2,
.swap_window_coords = false,

1
drivers/painter/st77xx/qp_st7789.c
View file

@ -92,6 +92,7 @@ const struct tft_panel_dc_reset_painter_driver_vtable_t st7789_driver_vtable = {
.viewport = qp_tft_panel_viewport,
.palette_convert = qp_tft_panel_palette_convert_rgb565_swapped,
.append_pixels = qp_tft_panel_append_pixels_rgb565,
.append_pixdata = qp_tft_panel_append_pixdata,
},
.num_window_bytes = 2,
.swap_window_coords = false,

5
drivers/painter/tft_panel/qp_tft_panel.c
View file

@ -126,3 +126,8 @@ bool qp_tft_panel_append_pixels_rgb888(painter_device_t device, uint8_t *target_
}
return true;
}
bool qp_tft_panel_append_pixdata(painter_device_t device, uint8_t *target_buffer, uint32_t pixdata_offset, uint8_t pixdata_byte) {
target_buffer[pixdata_offset] = pixdata_byte;
return true;
}

2
drivers/painter/tft_panel/qp_tft_panel.h
View file

@ -59,3 +59,5 @@ bool qp_tft_panel_palette_convert_rgb888(painter_device_t device, int16_t palett
bool qp_tft_panel_append_pixels_rgb565(painter_device_t device, uint8_t *target_buffer, qp_pixel_t *palette, uint32_t pixel_offset, uint32_t pixel_count, uint8_t *palette_indices);
bool qp_tft_panel_append_pixels_rgb888(painter_device_t device, uint8_t *target_buffer, qp_pixel_t *palette, uint32_t pixel_offset, uint32_t pixel_count, uint8_t *palette_indices);
bool qp_tft_panel_append_pixdata(painter_device_t device, uint8_t *target_buffer, uint32_t pixdata_offset, uint8_t pixdata_byte);

80
lib/python/qmk/painter.py
View file

@ -7,6 +7,20 @@ from PIL import Image, ImageOps
# The list of valid formats Quantum Painter supports
valid_formats = {
'rgb888': {
'image_format': 'IMAGE_FORMAT_RGB888',
'bpp': 24,
'has_palette': False,
'num_colors': 16777216,
'image_format_byte': 0x09, # see qp_internal_formats.h
},
'rgb565': {
'image_format': 'IMAGE_FORMAT_RGB565',
'bpp': 16,
'has_palette': False,
'num_colors': 65536,
'image_format_byte': 0x08, # see qp_internal_formats.h
},
'pal256': {
'image_format': 'IMAGE_FORMAT_PALETTE',
'bpp': 8,
@ -144,19 +158,33 @@ def convert_requested_format(im, format):
ncolors = format["num_colors"]
image_format = format["image_format"]
# Ensure we have a valid number of colors for the palette
if ncolors <= 0 or ncolors > 256 or (ncolors & (ncolors - 1) != 0):
raise ValueError("Number of colors must be 2, 4, 16, or 256.")
# Work out where we're getting the bytes from
if image_format == 'IMAGE_FORMAT_GRAYSCALE':
# Ensure we have a valid number of colors for the palette
if ncolors <= 0 or ncolors > 256 or (ncolors & (ncolors - 1) != 0):
raise ValueError("Number of colors must be 2, 4, 16, or 256.")
# If mono, convert input to grayscale, then to RGB, then grab the raw bytes corresponding to the intensity of the red channel
im = ImageOps.grayscale(im)
im = im.convert("RGB")
elif image_format == 'IMAGE_FORMAT_PALETTE':
# Ensure we have a valid number of colors for the palette
if ncolors <= 0 or ncolors > 256 or (ncolors & (ncolors - 1) != 0):
raise ValueError("Number of colors must be 2, 4, 16, or 256.")
# If color, convert input to RGB, palettize based on the supplied number of colors, then get the raw palette bytes
im = im.convert("RGB")
im = im.convert("P", palette=Image.ADAPTIVE, colors=ncolors)
elif image_format == 'IMAGE_FORMAT_RGB565':
# Ensure we have a valid number of colors for the palette
if ncolors != 65536:
raise ValueError("Number of colors must be 65536.")
# If color, convert input to RGB
im = im.convert("RGB")
elif image_format == 'IMAGE_FORMAT_RGB888':
# Ensure we have a valid number of colors for the palette
if ncolors != 1677216:
raise ValueError("Number of colors must be 16777216.")
# If color, convert input to RGB
im = im.convert("RGB")
return im
@ -170,8 +198,12 @@ def convert_image_bytes(im, format):
image_format = format["image_format"]
shifter = int(math.log2(ncolors))
pixels_per_byte = int(8 / math.log2(ncolors))
bytes_per_pixel = math.ceil(math.log2(ncolors) / 8)
(width, height) = im.size
expected_byte_count = ((width * height) + (pixels_per_byte - 1)) // pixels_per_byte
if (pixels_per_byte != 0):
expected_byte_count = ((width * height) + (pixels_per_byte - 1)) // pixels_per_byte
else:
expected_byte_count = width * height * bytes_per_pixel
if image_format == 'IMAGE_FORMAT_GRAYSCALE':
# Take the red channel
@ -212,6 +244,44 @@ def convert_image_bytes(im, format):
byte = byte | ((image_bytes[byte_offset] & (ncolors - 1)) << int(n * shifter))
bytearray.append(byte)
if image_format == 'IMAGE_FORMAT_RGB565':
# Take the red, green, and blue channels
image_bytes_red = im.tobytes("raw", "R")
image_bytes_green = im.tobytes("raw", "G")
image_bytes_blue = im.tobytes("raw", "B")
image_pixels_len = len(image_bytes_red)
# No palette
palette = None
bytearray = []
for x in range(image_pixels_len):
# 5 bits of red, 3 MSb of green
byte = ((image_bytes_red[x] >> 3 & 0x1F) << 3) + (image_bytes_green[x] >> 5 & 0x07)
bytearray.append(byte)
# 3 LSb of green, 5 bits of blue
byte = ((image_bytes_green[x] >> 2 & 0x07) << 5) + (image_bytes_blue[x] >> 3 & 0x1F)
bytearray.append(byte)
if image_format == 'IMAGE_FORMAT_RGB888':
# Take the red, green, and blue channels
image_bytes_red = im.tobytes("raw", "R")
image_bytes_green = im.tobytes("raw", "G")
image_bytes_blue = im.tobytes("raw", "B")
image_pixels_len = len(image_bytes_red)
# No palette
palette = None
bytearray = []
for x in range(image_pixels_len):
byte = image_bytes_red[x]
bytearray.append(byte)
byte = image_bytes_green[x]
bytearray.append(byte)
byte = image_bytes_blue[x]
bytearray.append(byte)
if len(bytearray) != expected_byte_count:
raise Exception(f"Wrong byte count, was {len(bytearray)}, expected {expected_byte_count}")

4
quantum/painter/qgf.c
View file

@ -38,11 +38,13 @@ bool qgf_parse_format(qp_image_format_t format, uint8_t *bpp, bool *has_palette)
[PALETTE_2BPP] = {.bpp = 2, .has_palette = true},
[PALETTE_4BPP] = {.bpp = 4, .has_palette = true},
[PALETTE_8BPP] = {.bpp = 8, .has_palette = true},
[RGB565_16BPP] = {.bpp = 16, .has_palette = false},
[RGB888_24BPP] = {.bpp = 24, .has_palette = false},
};
// clang-format on
// Copy out the required info
if (format > PALETTE_8BPP) {
if (format > RGB888_24BPP) {
qp_dprintf("Failed to parse frame_descriptor, invalid format 0x%02X\n", (int)format);
return false;
}

2
quantum/painter/qp.c
View file

@ -12,7 +12,7 @@
// Internal driver validation
static bool validate_driver_vtable(struct painter_driver_t *driver) {
return (driver->driver_vtable && driver->driver_vtable->init && driver->driver_vtable->power && driver->driver_vtable->clear && driver->driver_vtable->viewport && driver->driver_vtable->pixdata && driver->driver_vtable->palette_convert && driver->driver_vtable->append_pixels) ? true : false;
return (driver->driver_vtable && driver->driver_vtable->init && driver->driver_vtable->power && driver->driver_vtable->clear && driver->driver_vtable->viewport && driver->driver_vtable->pixdata && driver->driver_vtable->palette_convert && driver->driver_vtable->append_pixels && driver->driver_vtable->append_pixdata) ? true : false;
}
static bool validate_comms_vtable(struct painter_driver_t *driver) {

8
quantum/painter/qp.h
View file

@ -64,6 +64,14 @@
# define QUANTUM_PAINTER_SUPPORTS_256_PALETTE FALSE
#endif
#ifndef QUANTUM_PAINTER_SUPPORTS_NATIVE_COLORS
/**
* @def This controls whether the native color range is supported. This avoids the use of palettes but each image
* requires more storage space.
*/
# define QUANTUM_PAINTER_SUPPORTS_NATIVE_COLORS FALSE
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter types

10
quantum/painter/qp_draw.h
View file

@ -30,9 +30,11 @@ bool qp_internal_fillrect_helper_impl(painter_device_t device, uint16_t l, uint1
// Convert from input pixel data + palette to equivalent pixels
typedef int16_t (*qp_internal_byte_input_callback)(void* cb_arg);
typedef bool (*qp_internal_pixel_output_callback)(qp_pixel_t* palette, uint8_t index, void* cb_arg);
typedef bool (*qp_internal_byte_output_callback)(uint8_t byte, void* cb_arg);
bool qp_internal_decode_palette(painter_device_t device, uint32_t pixel_count, uint8_t bits_per_pixel, qp_internal_byte_input_callback input_callback, void* input_arg, qp_pixel_t* palette, qp_internal_pixel_output_callback output_callback, void* output_arg);
bool qp_internal_decode_grayscale(painter_device_t device, uint32_t pixel_count, uint8_t bits_per_pixel, qp_internal_byte_input_callback input_callback, void* input_arg, qp_internal_pixel_output_callback output_callback, void* output_arg);
bool qp_internal_decode_recolor(painter_device_t device, uint32_t pixel_count, uint8_t bits_per_pixel, qp_internal_byte_input_callback input_callback, void* input_arg, qp_pixel_t fg_hsv888, qp_pixel_t bg_hsv888, qp_internal_pixel_output_callback output_callback, void* 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);
// Global variable used for interpolated pixel lookup table.
#if QUANTUM_PAINTER_SUPPORTS_256_PALETTE
@ -82,4 +84,12 @@ struct qp_internal_pixel_output_state {
bool qp_internal_pixel_appender(qp_pixel_t* palette, uint8_t index, void* cb_arg);
struct qp_internal_byte_output_state {
painter_device_t device;
uint32_t byte_write_pos;
uint32_t max_bytes;
};
bool qp_internal_byte_appender(uint8_t byteval, void* cb_arg);
qp_internal_byte_input_callback qp_internal_prepare_input_state(struct qp_internal_byte_input_state* input_state, painter_compression_t compression);

44
quantum/painter/qp_draw_codec.c
View file

@ -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:

35
quantum/painter/qp_draw_image.c
View file

@ -151,7 +151,7 @@ static bool qp_drawimage_prepare_frame_for_stream_read(painter_device_t device,
qp_internal_invalidate_palette();
if (!qp_internal_bpp_capable(info->bpp)) {
qp_dprintf("qp_drawimage_recolor: fail (image bpp too high (%d), check QUANTUM_PAINTER_SUPPORTS_256_PALETTE)\n", (int)info->bpp);
qp_dprintf("qp_drawimage_recolor: fail (image bpp too high (%d), check QUANTUM_PAINTER_SUPPORTS_256_PALETTE or QUANTUM_PAINTER_SUPPORTS_NATIVE_COLORS)\n", (int)info->bpp);
qp_comms_stop(device);
return false;
}
@ -167,8 +167,10 @@ static bool qp_drawimage_prepare_frame_for_stream_read(painter_device_t device,
needs_pixconvert = true;
} else {
// Interpolate from fg/bg
needs_pixconvert = qp_internal_interpolate_palette(fg_hsv888, bg_hsv888, palette_entries);
if (info->bpp <= 8) {
// Interpolate from fg/bg
needs_pixconvert = qp_internal_interpolate_palette(fg_hsv888, bg_hsv888, palette_entries);
}
}
if (needs_pixconvert) {
@ -260,15 +262,28 @@ static bool qp_drawimage_recolor_impl(painter_device_t device, uint16_t x, uint1
return false;
}
// Set up the output state
struct qp_internal_pixel_output_state output_state = {.device = device, .pixel_write_pos = 0, .max_pixels = qp_internal_num_pixels_in_buffer(device)};
bool ret = false;
if (frame_info->bpp <= 8) {
// Set up the output state
struct qp_internal_pixel_output_state output_state = {.device = device, .pixel_write_pos = 0, .max_pixels = qp_internal_num_pixels_in_buffer(device)};
// Decode the pixel data and stream to the display
bool ret = qp_internal_decode_palette(device, pixel_count, frame_info->bpp, input_callback, &input_state, qp_internal_global_pixel_lookup_table, qp_internal_pixel_appender, &output_state);
// Decode the pixel data and stream to the display
ret = qp_internal_decode_palette(device, pixel_count, frame_info->bpp, input_callback, &input_state, qp_internal_global_pixel_lookup_table, qp_internal_pixel_appender, &output_state);
// Any leftovers need transmission as well.
if (ret && output_state.pixel_write_pos > 0) {
ret &= driver->driver_vtable->pixdata(device, qp_internal_global_pixdata_buffer, output_state.pixel_write_pos);
}
} else {
// Set up the output state
struct qp_internal_byte_output_state output_state = {.device = device, .byte_write_pos = 0, .max_bytes = qp_internal_num_pixels_in_buffer(device) * driver->native_bits_per_pixel / 8};
// Any leftovers need transmission as well.
if (ret && output_state.pixel_write_pos > 0) {
ret &= driver->driver_vtable->pixdata(device, qp_internal_global_pixdata_buffer, output_state.pixel_write_pos);
// Stream the raw pixel data to the display
uint32_t byte_count = pixel_count * frame_info->bpp / 8;
ret = qp_internal_send_bytes(device, byte_count, input_callback, &input_state, qp_internal_byte_appender, &output_state);
// Any leftovers need transmission as well.
if (ret && output_state.byte_write_pos > 0) {
ret &= driver->driver_vtable->pixdata(device, qp_internal_global_pixdata_buffer, output_state.byte_write_pos * 8 / driver->native_bits_per_pixel);
}
}
qp_dprintf("qp_drawimage_recolor: %s\n", ret ? "ok" : "fail");

2
quantum/painter/qp_draw_text.c
View file

@ -100,7 +100,7 @@ static painter_font_handle_t qp_load_font_internal(bool (*stream_factory)(qff_fo
qff_read_font_descriptor(&font->stream, &font->base.line_height, &font->has_ascii_table, &font->num_unicode_glyphs, &font->bpp, &font->has_palette, &font->compression_scheme, NULL);
if (!qp_internal_bpp_capable(font->bpp)) {
qp_dprintf("qp_load_font: fail (image bpp too high (%d), check QUANTUM_PAINTER_SUPPORTS_256_PALETTE)\n", (int)font->bpp);
qp_dprintf("qp_load_font: fail (image bpp too high (%d), check QUANTUM_PAINTER_SUPPORTS_256_PALETTE or QUANTUM_PAINTER_SUPPORTS_NATIVE_COLORS)\n", (int)font->bpp);
qp_close_font((painter_font_handle_t)font);
return NULL;
}

2
quantum/painter/qp_internal_driver.h
View file

@ -16,6 +16,7 @@ typedef bool (*painter_driver_viewport_func)(painter_device_t device, uint16_t l
typedef bool (*painter_driver_pixdata_func)(painter_device_t device, const void *pixel_data, uint32_t native_pixel_count);
typedef bool (*painter_driver_convert_palette_func)(painter_device_t device, int16_t palette_size, qp_pixel_t *palette);
typedef bool (*painter_driver_append_pixels)(painter_device_t device, uint8_t *target_buffer, qp_pixel_t *palette, uint32_t pixel_offset, uint32_t pixel_count, uint8_t *palette_indices);
typedef bool (*painter_driver_append_pixdata)(painter_device_t device, uint8_t *target_buffer, uint32_t pixdata_offset, uint8_t pixdata_byte);
// Driver vtable definition
struct painter_driver_vtable_t {
@ -27,6 +28,7 @@ struct painter_driver_vtable_t {
painter_driver_pixdata_func pixdata;
painter_driver_convert_palette_func palette_convert;
painter_driver_append_pixels append_pixels;
painter_driver_append_pixdata append_pixdata;
};
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

2
quantum/painter/qp_internal_formats.h
View file

@ -44,6 +44,8 @@ typedef enum qp_image_format_t {
PALETTE_2BPP = 0x05,
PALETTE_4BPP = 0x06,
PALETTE_8BPP = 0x07,
RGB565_16BPP = 0x08,
RGB888_24BPP = 0x09,
} qp_image_format_t;
typedef enum painter_compression_t { IMAGE_UNCOMPRESSED, IMAGE_COMPRESSED_RLE } painter_compression_t;