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Change TargetPixelBuffer's draw_texture function to take a data structure instead of many arguments

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Simon Hausmann 2025-02-20 09:16:48 +01:00 • committed by Simon Hausmann
parent 491cb2f911
commit df6c99871d
8 changed files with 183 additions and 134 deletions
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75
api/cpp/include/slint-platform.h
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@ -539,6 +539,27 @@ struct Rgb565Pixel
};
# ifdef SLINT_FEATURE_EXPERIMENTAL
using cbindgen_private::types::TexturePixelFormat;
/// This structure describes the properties of a texture for blending with
/// TargetPixelBuffer::draw_texture().
struct Texture
{
/// A reference to the pixel bytes of the texture. These bytes are in the format specified by
/// `pixel_format`.
std::span<const uint8_t> bytes;
/// The pixel format of the texture.
TexturePixelFormat pixel_format;
uint16_t pixel_stride;
uint16_t width;
uint16_t height;
uint16_t delta_x;
uint16_t delta_y;
uint16_t source_offset_x;
uint16_t source_offset_y;
};
template<typename PixelType>
struct TargetPixelBuffer
{
@ -550,10 +571,8 @@ struct TargetPixelBuffer
virtual bool fill_rectangle(int16_t x, int16_t y, int16_t width, int16_t height,
const RgbaColor<uint8_t> &premultiplied_color) = 0;
virtual bool draw_texture(int16_t x, int16_t y, int16_t width, int16_t height, int16_t span_y,
const uint8_t *src, uint16_t src_stride, int16_t src_width,
int16_t src_height, uint8_t src_pixel_format, uint16_t src_dx,
uint16_t src_dy, uint16_t src_off_x, uint16_t src_off_y,
uint32_t colorize, uint8_t alpha, uint8_t rotation) = 0;
const Texture &texture, uint32_t colorize, uint8_t alpha,
uint8_t rotation) = 0;
};
# endif
@ -727,15 +746,23 @@ public:
},
.draw_texture =
[](void *self, int16_t x, int16_t y, int16_t width, int16_t height,
int16_t span_y, const uint8_t *src, uint16_t src_stride, int16_t src_width,
int16_t src_height, uint8_t src_pixel_format, uint16_t src_dx,
uint16_t src_dy, uint16_t src_off_x, uint16_t src_off_y, uint32_t colorize,
uint8_t alpha, uint8_t rotation) {
int16_t span_y, const cbindgen_private::CppInternalTexture *internal_texture,
uint32_t colorize, uint8_t alpha, uint8_t rotation) {
auto *buffer = reinterpret_cast<TargetPixelBuffer<Rgb8Pixel> *>(self);
return buffer->draw_texture(x, y, width, height, span_y, src, src_stride,
src_width, src_height, src_pixel_format, src_dx,
src_dy, src_off_x, src_off_y, colorize, alpha,
rotation);
Texture texture {
.bytes = std::span<const uint8_t> { internal_texture->bytes,
internal_texture->bytes_len },
.pixel_format = internal_texture->pixel_format,
.pixel_stride = internal_texture->pixel_stride,
.width = internal_texture->width,
.height = internal_texture->height,
.delta_x = internal_texture->delta_x,
.delta_y = internal_texture->delta_y,
.source_offset_x = internal_texture->source_offset_x,
.source_offset_y = internal_texture->source_offset_y,
};
return buffer->draw_texture(x, y, width, height, span_y, texture, colorize,
alpha, rotation);
}
};
auto r =
@ -769,15 +796,23 @@ public:
},
.draw_texture =
[](void *self, int16_t x, int16_t y, int16_t width, int16_t height,
int16_t span_y, const uint8_t *src, uint16_t src_stride, int16_t src_width,
int16_t src_height, uint8_t src_pixel_format, uint16_t src_dx,
uint16_t src_dy, uint16_t src_off_x, uint16_t src_off_y, uint32_t colorize,
uint8_t alpha, uint8_t rotation) {
int16_t span_y, const cbindgen_private::CppInternalTexture *internal_texture,
uint32_t colorize, uint8_t alpha, uint8_t rotation) {
auto *buffer = reinterpret_cast<TargetPixelBuffer<Rgb565Pixel> *>(self);
return buffer->draw_texture(x, y, width, height, span_y, src, src_stride,
src_width, src_height, src_pixel_format, src_dx,
src_dy, src_off_x, src_off_y, colorize, alpha,
rotation);
Texture texture {
.bytes = std::span<const uint8_t> { internal_texture->bytes,
internal_texture->bytes_len },
.pixel_format = internal_texture->pixel_format,
.pixel_stride = internal_texture->pixel_stride,
.width = internal_texture->width,
.height = internal_texture->height,
.delta_x = internal_texture->delta_x,
.delta_y = internal_texture->delta_y,
.source_offset_x = internal_texture->source_offset_x,
.source_offset_y = internal_texture->source_offset_y,
};
return buffer->draw_texture(x, y, width, height, span_y, texture, colorize,
alpha, rotation);
}
};
auto r = cbindgen_private::slint_software_renderer_render_accel_rgb565(inner,