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