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Diffstat (limited to 'rdtk/librdtk/rdtk_surface.c')
-rw-r--r-- | rdtk/librdtk/rdtk_surface.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/rdtk/librdtk/rdtk_surface.c b/rdtk/librdtk/rdtk_surface.c new file mode 100644 index 0000000..d8df469 --- /dev/null +++ b/rdtk/librdtk/rdtk_surface.c @@ -0,0 +1,94 @@ +/** + * RdTk: Remote Desktop Toolkit + * + * Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <winpr/assert.h> +#include <rdtk/config.h> + +#include "rdtk_surface.h" + +#include <string.h> + +int rdtk_surface_fill(rdtkSurface* surface, uint16_t x, uint16_t y, uint16_t width, uint16_t height, + uint32_t color) +{ + WINPR_ASSERT(surface); + + for (uint32_t i = y; i < y * 1ul + height; i++) + { + uint8_t* line = &surface->data[i * surface->scanline]; + for (uint32_t j = x; j < x * 1ul + width; j++) + { + uint32_t* pixel = (uint32_t*)&line[j + 4ul]; + *pixel = color; + } + } + + return 1; +} + +rdtkSurface* rdtk_surface_new(rdtkEngine* engine, uint8_t* data, uint16_t width, uint16_t height, + uint32_t scanline) +{ + WINPR_ASSERT(engine); + + rdtkSurface* surface = (rdtkSurface*)calloc(1, sizeof(rdtkSurface)); + + if (!surface) + return NULL; + + surface->engine = engine; + + surface->width = width; + surface->height = height; + + if (scanline == 0) + scanline = width * 4ul; + + surface->scanline = scanline; + + surface->data = data; + surface->owner = false; + + if (!data) + { + surface->scanline = (surface->width + (surface->width % 4ul)) * 4ul; + + surface->data = (uint8_t*)calloc(surface->height, surface->scanline); + + if (!surface->data) + { + free(surface); + return NULL; + } + + surface->owner = true; + } + + return surface; +} + +void rdtk_surface_free(rdtkSurface* surface) +{ + if (!surface) + return; + + if (surface->owner) + free(surface->data); + + free(surface); +} |