diff options
Diffstat (limited to 'kms++util')
| -rw-r--r-- | kms++util/src/drawing.cpp | 64 |
1 files changed, 57 insertions, 7 deletions
diff --git a/kms++util/src/drawing.cpp b/kms++util/src/drawing.cpp index a5377be..cb6fbf6 100644 --- a/kms++util/src/drawing.cpp +++ b/kms++util/src/drawing.cpp @@ -80,7 +80,7 @@ void draw_yuv422_macropixel(IMappedFramebuffer& buf, unsigned x, unsigned y, YUV } void draw_yuv420_macropixel(IMappedFramebuffer& buf, unsigned x, unsigned y, - YUV yuv1, YUV yuv2, YUV yuv3, YUV yuv4) + YUV yuv1, YUV yuv2, YUV yuv3, YUV yuv4) { ASSERT((x & 1) == 0); ASSERT((y & 1) == 0); @@ -130,18 +130,68 @@ void draw_rect(IMappedFramebuffer &fb, uint32_t x, uint32_t y, uint32_t w, uint3 } } -static void draw_char(IMappedFramebuffer& buf, uint32_t xpos, uint32_t ypos, char c, RGB color) +static bool get_char_pixel(char c, uint32_t x, uint32_t y) { #include "font_8x8.h" - for (uint32_t y = 0; y < 8; y++) { - uint8_t bits = fontdata_8x8[8 * c + y]; + uint8_t bits = fontdata_8x8[8 * c + y]; + bool bit = (bits >> (7 - x)) & 1; + + return bit; +} + +static void draw_char(IMappedFramebuffer& buf, uint32_t xpos, uint32_t ypos, char c, RGB color) +{ + unsigned x, y; + YUV yuvcolor = color.yuv(); + + switch (buf.format()) { + case PixelFormat::XRGB8888: + case PixelFormat::XBGR8888: + case PixelFormat::ARGB8888: + case PixelFormat::ABGR8888: + case PixelFormat::RGB565: + for (y = 0; y < 8; y++) { + for (x = 0; x < 8; x++) { + bool b = get_char_pixel(c, x, y); + + draw_rgb_pixel(buf, xpos + x, ypos + y, b ? color : RGB()); + } + } + break; - for (uint32_t x = 0; x < 8; x++) { - bool bit = (bits >> (7 - x)) & 1; + case PixelFormat::UYVY: + case PixelFormat::YUYV: + case PixelFormat::YVYU: + case PixelFormat::VYUY: + for (y = 0; y < 8; y++) { + for (x = 0; x < 8; x += 2) { + bool b0 = get_char_pixel(c, x, y); + bool b1 = get_char_pixel(c, x + 1, y); + + draw_yuv422_macropixel(buf, xpos + x, ypos + y, + b0 ? yuvcolor : YUV(), b1 ? yuvcolor : YUV()); + } + } + break; - draw_rgb_pixel(buf, xpos + x, ypos + y, bit ? color : RGB()); + case PixelFormat::NV12: + case PixelFormat::NV21: + for (y = 0; y < 8; y += 2) { + for (x = 0; x < 8; x += 2) { + bool b00 = get_char_pixel(c, x, y); + bool b10 = get_char_pixel(c, x + 1, y); + bool b01 = get_char_pixel(c, x, y + 1); + bool b11 = get_char_pixel(c, x + 1, y + 1); + + draw_yuv420_macropixel(buf, xpos + x, ypos + y, + b00 ? yuvcolor : YUV(), b10 ? yuvcolor : YUV(), + b01 ? yuvcolor : YUV(), b11 ? yuvcolor : YUV()); + } } + break; + default: + throw std::invalid_argument("unknown pixelformat"); } } |